diff --git a/ContentGrabbingJi-CacheStore-api/pom.xml b/ContentGrabbingJi-CacheStore-api/pom.xml
index 5bde1dd..a630022 100644
--- a/ContentGrabbingJi-CacheStore-api/pom.xml
+++ b/ContentGrabbingJi-CacheStore-api/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2020  LamGC
+  ~ Copyright (C) 2021  LamGC
   ~
   ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU Affero General Public License as
   ~ published by the Free Software Foundation, either version 3 of the
-  ~ License, or (at your option) any later version.
+  ~ License.
   ~
   ~ ContentGrabbingJi is distributed in the hope that it will be useful,
   ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheKey.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheKey.java
index 695b4a6..e31426a 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheKey.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheKey.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheStore.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheStore.java
index d68c5cb..439973e 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheStore.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheStore.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheStoreFactory.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheStoreFactory.java
index 8e6fbb9..9cccfa8 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheStoreFactory.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheStoreFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheStoreSource.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheStoreSource.java
index 1f13777..ebdbc99 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheStoreSource.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CacheStoreSource.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CollectionCacheStore.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CollectionCacheStore.java
index b77f7c8..108ae12 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CollectionCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/CollectionCacheStore.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/Factory.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/Factory.java
index e7c885b..f305442 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/Factory.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/Factory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/FactoryPriority.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/FactoryPriority.java
index c7c9e48..5b1233f 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/FactoryPriority.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/FactoryPriority.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/ListCacheStore.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/ListCacheStore.java
index c5797d6..8d1e1ef 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/ListCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/ListCacheStore.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/MapCacheStore.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/MapCacheStore.java
index fd2b54a..ff7c78d 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/MapCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/MapCacheStore.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/SetCacheStore.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/SetCacheStore.java
index 9c0fd9d..33b286d 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/SetCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/SetCacheStore.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/SingleCacheStore.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/SingleCacheStore.java
index bf19f73..627951b 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/SingleCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/SingleCacheStore.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/convert/Converter.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/convert/Converter.java
index b957300..62bf980 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/convert/Converter.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/convert/Converter.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/convert/StringConverter.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/convert/StringConverter.java
index 73a6342..f0682d0 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/convert/StringConverter.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/convert/StringConverter.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/convert/StringToStringConverter.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/convert/StringToStringConverter.java
index 8b59d79..87d4ebd 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/convert/StringToStringConverter.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/convert/StringToStringConverter.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/exception/GetCacheStoreException.java b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/exception/GetCacheStoreException.java
index d2774d7..1f65b61 100644
--- a/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/exception/GetCacheStoreException.java
+++ b/ContentGrabbingJi-CacheStore-api/src/main/java/net/lamgc/cgj/bot/cache/exception/GetCacheStoreException.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/test/java/net/lamgc/cgj/bot/cache/CacheKeyTest.java b/ContentGrabbingJi-CacheStore-api/src/test/java/net/lamgc/cgj/bot/cache/CacheKeyTest.java
index c4a86a6..04d9a80 100644
--- a/ContentGrabbingJi-CacheStore-api/src/test/java/net/lamgc/cgj/bot/cache/CacheKeyTest.java
+++ b/ContentGrabbingJi-CacheStore-api/src/test/java/net/lamgc/cgj/bot/cache/CacheKeyTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/test/java/net/lamgc/cgj/bot/cache/convert/StringToStringConverterTest.java b/ContentGrabbingJi-CacheStore-api/src/test/java/net/lamgc/cgj/bot/cache/convert/StringToStringConverterTest.java
index 336d513..9ff81ad 100644
--- a/ContentGrabbingJi-CacheStore-api/src/test/java/net/lamgc/cgj/bot/cache/convert/StringToStringConverterTest.java
+++ b/ContentGrabbingJi-CacheStore-api/src/test/java/net/lamgc/cgj/bot/cache/convert/StringToStringConverterTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-api/src/test/java/net/lamgc/cgj/bot/cache/exception/GetCacheStoreExceptionTest.java b/ContentGrabbingJi-CacheStore-api/src/test/java/net/lamgc/cgj/bot/cache/exception/GetCacheStoreExceptionTest.java
index 9013670..86e2c67 100644
--- a/ContentGrabbingJi-CacheStore-api/src/test/java/net/lamgc/cgj/bot/cache/exception/GetCacheStoreExceptionTest.java
+++ b/ContentGrabbingJi-CacheStore-api/src/test/java/net/lamgc/cgj/bot/cache/exception/GetCacheStoreExceptionTest.java
@@ -4,7 +4,7 @@
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-local/pom.xml b/ContentGrabbingJi-CacheStore-local/pom.xml
index 33b483f..7c1f6bc 100644
--- a/ContentGrabbingJi-CacheStore-local/pom.xml
+++ b/ContentGrabbingJi-CacheStore-local/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2020  LamGC
+  ~ Copyright (C) 2021  LamGC
   ~
   ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU Affero General Public License as
   ~ published by the Free Software Foundation, either version 3 of the
-  ~ License, or (at your option) any later version.
+  ~ License.
   ~
   ~ ContentGrabbingJi is distributed in the hope that it will be useful,
   ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/AutoCleanTimer.java b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/AutoCleanTimer.java
index 3bfca2d..eea7afc 100644
--- a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/AutoCleanTimer.java
+++ b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/AutoCleanTimer.java
@@ -1,3 +1,20 @@
+/*
+ * Copyright (C) 2021  LamGC
+ *
+ * ContentGrabbingJi is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License.
+ *
+ * ContentGrabbingJi is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package net.lamgc.cgj.bot.cache.local;
 
 import com.google.common.base.Throwables;
diff --git a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/Cleanable.java b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/Cleanable.java
index 7e98897..8461ae0 100644
--- a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/Cleanable.java
+++ b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/Cleanable.java
@@ -1,3 +1,20 @@
+/*
+ * Copyright (C) 2021  LamGC
+ *
+ * ContentGrabbingJi is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License.
+ *
+ * ContentGrabbingJi is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package net.lamgc.cgj.bot.cache.local;
 
 /**
diff --git a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/CopyOnWriteArrayListCacheStore.java b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/CopyOnWriteArrayListCacheStore.java
index 7814877..66696b2 100644
--- a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/CopyOnWriteArrayListCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/CopyOnWriteArrayListCacheStore.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashCacheStore.java b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashCacheStore.java
index daf4633..a5ca3c7 100644
--- a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashCacheStore.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashMapCacheStore.java b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashMapCacheStore.java
index 7b7713c..e231ae1 100644
--- a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashMapCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashMapCacheStore.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashSetCacheStore.java b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashSetCacheStore.java
index e4b15ff..bb232b4 100644
--- a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashSetCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashSetCacheStore.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashSingleCacheStore.java b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashSingleCacheStore.java
index 3c1c818..4d5cde7 100644
--- a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashSingleCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/HashSingleCacheStore.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/LocalCacheStoreFactory.java b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/LocalCacheStoreFactory.java
index d657091..9be2e31 100644
--- a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/LocalCacheStoreFactory.java
+++ b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/LocalCacheStoreFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/LocalCollectionCacheStore.java b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/LocalCollectionCacheStore.java
index e097b0e..fda6783 100644
--- a/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/LocalCollectionCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/LocalCollectionCacheStore.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-local/src/main/resources/META-INF/services/net.lamgc.cgj.bot.cache.CacheStoreFactory b/ContentGrabbingJi-CacheStore-local/src/main/resources/META-INF/services/net.lamgc.cgj.bot.cache.CacheStoreFactory
index 8236c97..c0c38ce 100644
--- a/ContentGrabbingJi-CacheStore-local/src/main/resources/META-INF/services/net.lamgc.cgj.bot.cache.CacheStoreFactory
+++ b/ContentGrabbingJi-CacheStore-local/src/main/resources/META-INF/services/net.lamgc.cgj.bot.cache.CacheStoreFactory
@@ -1,3 +1,20 @@
+#
+# Copyright (C) 2021  LamGC
+#
+# ContentGrabbingJi is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License.
+#
+# ContentGrabbingJi is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+
 #
 # Copyright (C) 2020  LamGC
 #
diff --git a/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/AutoCleanTimerTest.java b/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/AutoCleanTimerTest.java
index 71749e1..4fa6f72 100644
--- a/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/AutoCleanTimerTest.java
+++ b/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/AutoCleanTimerTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/CopyOnWriteArrayListCacheStoreTest.java b/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/CopyOnWriteArrayListCacheStoreTest.java
index 121c573..1b7ac10 100644
--- a/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/CopyOnWriteArrayListCacheStoreTest.java
+++ b/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/CopyOnWriteArrayListCacheStoreTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/HashMapCacheStoreTest.java b/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/HashMapCacheStoreTest.java
index 549d110..f226a42 100644
--- a/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/HashMapCacheStoreTest.java
+++ b/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/HashMapCacheStoreTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/HashSetCacheStoreTest.java b/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/HashSetCacheStoreTest.java
index ff85bfa..45be1a8 100644
--- a/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/HashSetCacheStoreTest.java
+++ b/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/HashSetCacheStoreTest.java
@@ -4,7 +4,7 @@
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/HashSingleCacheStoreTest.java b/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/HashSingleCacheStoreTest.java
index 7886a16..eff0930 100644
--- a/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/HashSingleCacheStoreTest.java
+++ b/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/HashSingleCacheStoreTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/LocalCacheStoreFactoryTest.java b/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/LocalCacheStoreFactoryTest.java
index c0b446a..bcdabf5 100644
--- a/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/LocalCacheStoreFactoryTest.java
+++ b/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/LocalCacheStoreFactoryTest.java
@@ -4,7 +4,7 @@
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-redis/pom.xml b/ContentGrabbingJi-CacheStore-redis/pom.xml
index db92c33..57e0019 100644
--- a/ContentGrabbingJi-CacheStore-redis/pom.xml
+++ b/ContentGrabbingJi-CacheStore-redis/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2020  LamGC
+  ~ Copyright (C) 2021  LamGC
   ~
   ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU Affero General Public License as
   ~ published by the Free Software Foundation, either version 3 of the
-  ~ License, or (at your option) any later version.
+  ~ License.
   ~
   ~ ContentGrabbingJi is distributed in the hope that it will be useful,
   ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisCacheStore.java b/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisCacheStore.java
index 27cb7c9..59b9a49 100644
--- a/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisCacheStore.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisCacheStoreFactory.java b/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisCacheStoreFactory.java
index dab1ebd..4032b52 100644
--- a/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisCacheStoreFactory.java
+++ b/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisCacheStoreFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisConnectionPool.java b/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisConnectionPool.java
index f2ba3a7..aed4a03 100644
--- a/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisConnectionPool.java
+++ b/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisConnectionPool.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisMapCacheStore.java b/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisMapCacheStore.java
index bf60aa4..e694b8f 100644
--- a/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisMapCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisMapCacheStore.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisSingleCacheStore.java b/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisSingleCacheStore.java
index 6f2f4db..e01ddf0 100644
--- a/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisSingleCacheStore.java
+++ b/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisSingleCacheStore.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisUtils.java b/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisUtils.java
index 66f9974..c84dc3a 100644
--- a/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisUtils.java
+++ b/ContentGrabbingJi-CacheStore-redis/src/main/java/net/lamgc/cgj/bot/cache/redis/RedisUtils.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-redis/src/main/resources/META-INF/services/net.lamgc.cgj.bot.cache.CacheStoreFactory b/ContentGrabbingJi-CacheStore-redis/src/main/resources/META-INF/services/net.lamgc.cgj.bot.cache.CacheStoreFactory
index 1b0b7e6..39e4cc8 100644
--- a/ContentGrabbingJi-CacheStore-redis/src/main/resources/META-INF/services/net.lamgc.cgj.bot.cache.CacheStoreFactory
+++ b/ContentGrabbingJi-CacheStore-redis/src/main/resources/META-INF/services/net.lamgc.cgj.bot.cache.CacheStoreFactory
@@ -1,3 +1,20 @@
+#
+# Copyright (C) 2021  LamGC
+#
+# ContentGrabbingJi is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License.
+#
+# ContentGrabbingJi is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+
 #
 # Copyright (C) 2020  LamGC
 #
diff --git a/ContentGrabbingJi-CacheStore-redis/src/test/java/net/lamgc/cgj/bot/cache/redis/RedisMapCacheStoreTest.java b/ContentGrabbingJi-CacheStore-redis/src/test/java/net/lamgc/cgj/bot/cache/redis/RedisMapCacheStoreTest.java
index dde72d1..863c7ad 100644
--- a/ContentGrabbingJi-CacheStore-redis/src/test/java/net/lamgc/cgj/bot/cache/redis/RedisMapCacheStoreTest.java
+++ b/ContentGrabbingJi-CacheStore-redis/src/test/java/net/lamgc/cgj/bot/cache/redis/RedisMapCacheStoreTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-CacheStore-redis/src/test/java/net/lamgc/cgj/bot/cache/redis/RedisSingleCacheStoreTest.java b/ContentGrabbingJi-CacheStore-redis/src/test/java/net/lamgc/cgj/bot/cache/redis/RedisSingleCacheStoreTest.java
index 9ad56cf..9c12aab 100644
--- a/ContentGrabbingJi-CacheStore-redis/src/test/java/net/lamgc/cgj/bot/cache/redis/RedisSingleCacheStoreTest.java
+++ b/ContentGrabbingJi-CacheStore-redis/src/test/java/net/lamgc/cgj/bot/cache/redis/RedisSingleCacheStoreTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Command-api/pom.xml b/ContentGrabbingJi-Command-api/pom.xml
index 248b0de..c1b3099 100644
--- a/ContentGrabbingJi-Command-api/pom.xml
+++ b/ContentGrabbingJi-Command-api/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2020  LamGC
+  ~ Copyright (C) 2021  LamGC
   ~
   ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU Affero General Public License as
   ~ published by the Free Software Foundation, either version 3 of the
-  ~ License, or (at your option) any later version.
+  ~ License.
   ~
   ~ ContentGrabbingJi is distributed in the hope that it will be useful,
   ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Command-pixiv/pom.xml b/ContentGrabbingJi-Command-pixiv/pom.xml
index bb8d101..a901b8e 100644
--- a/ContentGrabbingJi-Command-pixiv/pom.xml
+++ b/ContentGrabbingJi-Command-pixiv/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2020  LamGC
+  ~ Copyright (C) 2021  LamGC
   ~
   ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU Affero General Public License as
   ~ published by the Free Software Foundation, either version 3 of the
-  ~ License, or (at your option) any later version.
+  ~ License.
   ~
   ~ ContentGrabbingJi is distributed in the hope that it will be useful,
   ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Event/pom.xml b/ContentGrabbingJi-Event/pom.xml
index c45cf82..0b32d9e 100644
--- a/ContentGrabbingJi-Event/pom.xml
+++ b/ContentGrabbingJi-Event/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2020  LamGC
+  ~ Copyright (C) 2021  LamGC
   ~
   ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU Affero General Public License as
   ~ published by the Free Software Foundation, either version 3 of the
-  ~ License, or (at your option) any later version.
+  ~ License.
   ~
   ~ ContentGrabbingJi is distributed in the hope that it will be useful,
   ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/AbstractEventObject.java b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/AbstractEventObject.java
index 8697cc9..488a66e 100644
--- a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/AbstractEventObject.java
+++ b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/AbstractEventObject.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/Cancelable.java b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/Cancelable.java
index f95f60b..afb82f8 100644
--- a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/Cancelable.java
+++ b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/Cancelable.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventExecutor.java b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventExecutor.java
index 5072944..dfba958 100644
--- a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventExecutor.java
+++ b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventExecutor.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventHandler.java b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventHandler.java
index 6a8fb99..c2f5820 100644
--- a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventHandler.java
+++ b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventHandler.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventObject.java b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventObject.java
index 66a65f6..1de203b 100644
--- a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventObject.java
+++ b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventObject.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventUtils.java b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventUtils.java
index 1be32ed..1f8ab47 100644
--- a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventUtils.java
+++ b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/EventUtils.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/HandlerRegistry.java b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/HandlerRegistry.java
index c4c5cf9..152fd62 100644
--- a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/HandlerRegistry.java
+++ b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/HandlerRegistry.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/SupportedCancel.java b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/SupportedCancel.java
index 4e15a31..2bb43c2 100644
--- a/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/SupportedCancel.java
+++ b/ContentGrabbingJi-Event/src/main/java/net/lamgc/cgj/bot/event/SupportedCancel.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/EventUtilsTest.java b/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/EventUtilsTest.java
index 7bcc86f..637daa0 100644
--- a/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/EventUtilsTest.java
+++ b/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/EventUtilsTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/handler/IllegalHandler.java b/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/handler/IllegalHandler.java
index 1193dba..d6a1e2f 100644
--- a/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/handler/IllegalHandler.java
+++ b/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/handler/IllegalHandler.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/handler/StandardHandler.java b/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/handler/StandardHandler.java
index 6a4de5a..3920b36 100644
--- a/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/handler/StandardHandler.java
+++ b/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/handler/StandardHandler.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/object/TestEvent.java b/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/object/TestEvent.java
index 2a1247f..8883e7c 100644
--- a/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/object/TestEvent.java
+++ b/ContentGrabbingJi-Event/src/test/java/net/lamgc/cgj/bot/event/object/TestEvent.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-Template/pom.xml b/ContentGrabbingJi-Template/pom.xml
index d2f6b50..0cad613 100644
--- a/ContentGrabbingJi-Template/pom.xml
+++ b/ContentGrabbingJi-Template/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2020  LamGC
+  ~ Copyright (C) 2021  LamGC
   ~
   ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU Affero General Public License as
   ~ published by the Free Software Foundation, either version 3 of the
-  ~ License, or (at your option) any later version.
+  ~ License.
   ~
   ~ ContentGrabbingJi is distributed in the hope that it will be useful,
   ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/pom.xml b/ContentGrabbingJi-common/pom.xml
index 15278be..9c074ef 100644
--- a/ContentGrabbingJi-common/pom.xml
+++ b/ContentGrabbingJi-common/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2020  LamGC
+  ~ Copyright (C) 2021  LamGC
   ~
   ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU Affero General Public License as
   ~ published by the Free Software Foundation, either version 3 of the
-  ~ License, or (at your option) any later version.
+  ~ License.
   ~
   ~ ContentGrabbingJi is distributed in the hope that it will be useful,
   ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/main/java/net/lamgc/cgj/bot/cache/CacheStoreBuilder.java b/ContentGrabbingJi-common/src/main/java/net/lamgc/cgj/bot/cache/CacheStoreBuilder.java
index a51229b..3b50c1d 100644
--- a/ContentGrabbingJi-common/src/main/java/net/lamgc/cgj/bot/cache/CacheStoreBuilder.java
+++ b/ContentGrabbingJi-common/src/main/java/net/lamgc/cgj/bot/cache/CacheStoreBuilder.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/main/java/net/lamgc/cgj/bot/cache/FactoryInfo.java b/ContentGrabbingJi-common/src/main/java/net/lamgc/cgj/bot/cache/FactoryInfo.java
index 16eff5c..17be470 100644
--- a/ContentGrabbingJi-common/src/main/java/net/lamgc/cgj/bot/cache/FactoryInfo.java
+++ b/ContentGrabbingJi-common/src/main/java/net/lamgc/cgj/bot/cache/FactoryInfo.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -44,10 +44,8 @@ public final class FactoryInfo {
         int factoryPriority = factoryAnnotation.priority();
         if (factoryPriority > FactoryPriority.PRIORITY_HIGHEST) {
             this.factoryPriority = FactoryPriority.PRIORITY_HIGHEST;
-        } else if (factoryPriority < FactoryPriority.PRIORITY_LOWEST) {
-            this.factoryPriority = FactoryPriority.PRIORITY_LOWEST;
         } else {
-            this.factoryPriority = factoryPriority;
+            this.factoryPriority = Math.max(FactoryPriority.PRIORITY_LOWEST, factoryPriority);
         }
     }
 
diff --git a/ContentGrabbingJi-common/src/main/java/net/lamgc/cgj/bot/cache/NoSuchFactoryException.java b/ContentGrabbingJi-common/src/main/java/net/lamgc/cgj/bot/cache/NoSuchFactoryException.java
index 4783d17..e3bcee2 100644
--- a/ContentGrabbingJi-common/src/main/java/net/lamgc/cgj/bot/cache/NoSuchFactoryException.java
+++ b/ContentGrabbingJi-common/src/main/java/net/lamgc/cgj/bot/cache/NoSuchFactoryException.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/CacheStoreBuilderTest.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/CacheStoreBuilderTest.java
index ad38f6a..3093d5e 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/CacheStoreBuilderTest.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/CacheStoreBuilderTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/FactoryInfoTest.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/FactoryInfoTest.java
index 77cdbcc..947f934 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/FactoryInfoTest.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/FactoryInfoTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/AvailabilityCheckExceptionThrowFactory.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/AvailabilityCheckExceptionThrowFactory.java
index a3aa930..ff4d6ed 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/AvailabilityCheckExceptionThrowFactory.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/AvailabilityCheckExceptionThrowFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/CacheStoreSourceNoEqualFactory.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/CacheStoreSourceNoEqualFactory.java
index 1d08a64..aff5172 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/CacheStoreSourceNoEqualFactory.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/CacheStoreSourceNoEqualFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/DuplicateNameFactoryA.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/DuplicateNameFactoryA.java
index 1f20052..b8a1c7f 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/DuplicateNameFactoryA.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/DuplicateNameFactoryA.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/DuplicateNameFactoryB.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/DuplicateNameFactoryB.java
index fbcf93d..e348569 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/DuplicateNameFactoryB.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/DuplicateNameFactoryB.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/FactoryInfoTestFactory.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/FactoryInfoTestFactory.java
index 1ddabc8..fec00a7 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/FactoryInfoTestFactory.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/FactoryInfoTestFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/GetCacheStoreExceptionFactory.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/GetCacheStoreExceptionFactory.java
index bf94b2c..86b26ec 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/GetCacheStoreExceptionFactory.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/GetCacheStoreExceptionFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/InitialFailureFactory.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/InitialFailureFactory.java
index de5458c..9951d0a 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/InitialFailureFactory.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/InitialFailureFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/LocalFactory.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/LocalFactory.java
index af9cf03..fb7f326 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/LocalFactory.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/LocalFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/MemoryFactory.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/MemoryFactory.java
index 8dff124..2fb4176 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/MemoryFactory.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/MemoryFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/NameNoEqualFactoryA.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/NameNoEqualFactoryA.java
index 2fc41c5..74c5438 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/NameNoEqualFactoryA.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/NameNoEqualFactoryA.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/NameNoEqualFactoryB.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/NameNoEqualFactoryB.java
index 6103b24..1c431c4 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/NameNoEqualFactoryB.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/NameNoEqualFactoryB.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/NoAnnotationFactory.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/NoAnnotationFactory.java
index f4ec985..f708c6b 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/NoAnnotationFactory.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/NoAnnotationFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/RemoteCacheFactory.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/RemoteCacheFactory.java
index 1e42659..b22efba 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/RemoteCacheFactory.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/RemoteCacheFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/ReturnNullFactory.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/ReturnNullFactory.java
index d3950e0..a4008bb 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/ReturnNullFactory.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/ReturnNullFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/SetCacheStoreFactory.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/SetCacheStoreFactory.java
index 06b3a9a..6595b0b 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/SetCacheStoreFactory.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/SetCacheStoreFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/TooHighPriorityFactory.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/TooHighPriorityFactory.java
index b3529a1..2023d65 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/TooHighPriorityFactory.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/TooHighPriorityFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/TooLowPriorityFactory.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/TooLowPriorityFactory.java
index 674008a..bf39b22 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/TooLowPriorityFactory.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/TooLowPriorityFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/UnnamedFactory.java b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/UnnamedFactory.java
index b564b3e..c623d23 100644
--- a/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/UnnamedFactory.java
+++ b/ContentGrabbingJi-common/src/test/java/net/lamgc/cgj/bot/cache/factory/UnnamedFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-common/src/test/resources/META-INF/services/net.lamgc.cgj.bot.cache.CacheStoreFactory b/ContentGrabbingJi-common/src/test/resources/META-INF/services/net.lamgc.cgj.bot.cache.CacheStoreFactory
index 554544a..96fb40f 100644
--- a/ContentGrabbingJi-common/src/test/resources/META-INF/services/net.lamgc.cgj.bot.cache.CacheStoreFactory
+++ b/ContentGrabbingJi-common/src/test/resources/META-INF/services/net.lamgc.cgj.bot.cache.CacheStoreFactory
@@ -1,3 +1,20 @@
+#
+# Copyright (C) 2021  LamGC
+#
+# ContentGrabbingJi is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License.
+#
+# ContentGrabbingJi is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+
 
 # Copyright (C) 2020  LamGC
 #
diff --git a/ContentGrabbingJi-common/src/test/resources/log4j2-test.xml b/ContentGrabbingJi-common/src/test/resources/log4j2-test.xml
index 3cc5449..d222e7e 100644
--- a/ContentGrabbingJi-common/src/test/resources/log4j2-test.xml
+++ b/ContentGrabbingJi-common/src/test/resources/log4j2-test.xml
@@ -1,4 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (C) 2021  LamGC
+  ~
+  ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU Affero General Public License as
+  ~ published by the Free Software Foundation, either version 3 of the
+  ~ License.
+  ~
+  ~ ContentGrabbingJi is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~ GNU Affero General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU Affero General Public License
+  ~ along with this program.  If not, see <https://www.gnu.org/licenses/>.
+  -->
+
 <configuration status="WARN">
     <properties>
         <property name="logStorePath">./logs</property>
diff --git a/ContentGrabbingJi-core/pom.xml b/ContentGrabbingJi-core/pom.xml
index f05c094..8965959 100644
--- a/ContentGrabbingJi-core/pom.xml
+++ b/ContentGrabbingJi-core/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2020  LamGC
+  ~ Copyright (C) 2021  LamGC
   ~
   ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU Affero General Public License as
   ~ published by the Free Software Foundation, either version 3 of the
-  ~ License, or (at your option) any later version.
+  ~ License.
   ~
   ~ ContentGrabbingJi is distributed in the hope that it will be useful,
   ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/cache/converter/GsonJsonArrayConverter.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/cache/converter/GsonJsonArrayConverter.java
index 830505a..38209a1 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/cache/converter/GsonJsonArrayConverter.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/cache/converter/GsonJsonArrayConverter.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/cache/converter/GsonJsonObjectConverter.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/cache/converter/GsonJsonObjectConverter.java
index 447d478..61c0524 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/cache/converter/GsonJsonObjectConverter.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/cache/converter/GsonJsonObjectConverter.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/event/DefaultHandlerRegistry.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/event/DefaultHandlerRegistry.java
index 085ecfe..90e28a5 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/event/DefaultHandlerRegistry.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/event/DefaultHandlerRegistry.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/event/MessageEventHandler.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/event/MessageEventHandler.java
index c5ad818..23207b1 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/event/MessageEventHandler.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/event/MessageEventHandler.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/event/ThreadPoolEventExecutor.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/event/ThreadPoolEventExecutor.java
index 1657050..233ae51 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/event/ThreadPoolEventExecutor.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/event/ThreadPoolEventExecutor.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/CloneableFrameworkContext.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/CloneableFrameworkContext.java
index e52714a..bd26d35 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/CloneableFrameworkContext.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/CloneableFrameworkContext.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/DefaultFrameworkContext.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/DefaultFrameworkContext.java
index 23a0d4e..99a2858 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/DefaultFrameworkContext.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/DefaultFrameworkContext.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/DefaultFrameworkDescriptor.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/DefaultFrameworkDescriptor.java
index 4fd6479..3a1a046 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/DefaultFrameworkDescriptor.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/DefaultFrameworkDescriptor.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/FrameworkFactory.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/FrameworkFactory.java
index d3f3deb..972b2a8 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/FrameworkFactory.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/FrameworkFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/FrameworkManager.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/FrameworkManager.java
index 6e5ec3a..3e9694f 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/FrameworkManager.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/FrameworkManager.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/JarFrameworkLoader.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/JarFrameworkLoader.java
index aa6e235..f95a7d7 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/JarFrameworkLoader.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/JarFrameworkLoader.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/JsonFrameworkDescriptorFinder.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/JsonFrameworkDescriptorFinder.java
index 133e7a0..f1810e7 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/JsonFrameworkDescriptorFinder.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/JsonFrameworkDescriptorFinder.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/base/BasicBotCode.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/base/BasicBotCode.java
index fd52b70..53feff1 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/base/BasicBotCode.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/base/BasicBotCode.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/AuthorJsonSerializer.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/AuthorJsonSerializer.java
index dc3ef7a..0580b81 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/AuthorJsonSerializer.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/AuthorJsonSerializer.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/BotCodeDescriptorJsonSerializer.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/BotCodeDescriptorJsonSerializer.java
index a84b6b1..7dba3da 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/BotCodeDescriptorJsonSerializer.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/BotCodeDescriptorJsonSerializer.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/PlatformJsonSerializer.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/PlatformJsonSerializer.java
index f28ddc8..becf7f0 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/PlatformJsonSerializer.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/PlatformJsonSerializer.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/PluginDependencyJsonSerializer.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/PluginDependencyJsonSerializer.java
index 3449f48..f0cbd96 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/PluginDependencyJsonSerializer.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/util/PluginDependencyJsonSerializer.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/test/java/net/lamgc/cgj/bot/framework/JarFrameworkLoaderTest.java b/ContentGrabbingJi-core/src/test/java/net/lamgc/cgj/bot/framework/JarFrameworkLoaderTest.java
index 74949e7..47da831 100644
--- a/ContentGrabbingJi-core/src/test/java/net/lamgc/cgj/bot/framework/JarFrameworkLoaderTest.java
+++ b/ContentGrabbingJi-core/src/test/java/net/lamgc/cgj/bot/framework/JarFrameworkLoaderTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/test/java/net/lamgc/cgj/bot/framework/JsonFrameworkDescriptorSerializerTest.java b/ContentGrabbingJi-core/src/test/java/net/lamgc/cgj/bot/framework/JsonFrameworkDescriptorSerializerTest.java
index 6f53879..81fe0e2 100644
--- a/ContentGrabbingJi-core/src/test/java/net/lamgc/cgj/bot/framework/JsonFrameworkDescriptorSerializerTest.java
+++ b/ContentGrabbingJi-core/src/test/java/net/lamgc/cgj/bot/framework/JsonFrameworkDescriptorSerializerTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/test/java/net/lamgc/cgj/bot/framework/base/BasicBotCodeTest.java b/ContentGrabbingJi-core/src/test/java/net/lamgc/cgj/bot/framework/base/BasicBotCodeTest.java
index 2673718..999f870 100644
--- a/ContentGrabbingJi-core/src/test/java/net/lamgc/cgj/bot/framework/base/BasicBotCodeTest.java
+++ b/ContentGrabbingJi-core/src/test/java/net/lamgc/cgj/bot/framework/base/BasicBotCodeTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-core/src/test/resources/log4j2-test.xml b/ContentGrabbingJi-core/src/test/resources/log4j2-test.xml
index dd2be6a..e4b723a 100644
--- a/ContentGrabbingJi-core/src/test/resources/log4j2-test.xml
+++ b/ContentGrabbingJi-core/src/test/resources/log4j2-test.xml
@@ -1,4 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (C) 2021  LamGC
+  ~
+  ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU Affero General Public License as
+  ~ published by the Free Software Foundation, either version 3 of the
+  ~ License.
+  ~
+  ~ ContentGrabbingJi is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~ GNU Affero General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU Affero General Public License
+  ~ along with this program.  If not, see <https://www.gnu.org/licenses/>.
+  -->
+
 <configuration status="WARN">
     <properties>
         <property name="logStorePath">./logs</property>
diff --git a/ContentGrabbingJi-exec/pom.xml b/ContentGrabbingJi-exec/pom.xml
index 8c6bd41..5672136 100644
--- a/ContentGrabbingJi-exec/pom.xml
+++ b/ContentGrabbingJi-exec/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2020  LamGC
+  ~ Copyright (C) 2021  LamGC
   ~
   ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU Affero General Public License as
   ~ published by the Free Software Foundation, either version 3 of the
-  ~ License, or (at your option) any later version.
+  ~ License.
   ~
   ~ ContentGrabbingJi is distributed in the hope that it will be useful,
   ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-exec/src/main/java/net/lamgc/cgj/ApplicationMain.java b/ContentGrabbingJi-exec/src/main/java/net/lamgc/cgj/ApplicationMain.java
index d4e1add..4c6eaca 100644
--- a/ContentGrabbingJi-exec/src/main/java/net/lamgc/cgj/ApplicationMain.java
+++ b/ContentGrabbingJi-exec/src/main/java/net/lamgc/cgj/ApplicationMain.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-exec/src/main/resources/log4j2.xml b/ContentGrabbingJi-exec/src/main/resources/log4j2.xml
index 757aec8..4023b03 100644
--- a/ContentGrabbingJi-exec/src/main/resources/log4j2.xml
+++ b/ContentGrabbingJi-exec/src/main/resources/log4j2.xml
@@ -1,4 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (C) 2021  LamGC
+  ~
+  ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU Affero General Public License as
+  ~ published by the Free Software Foundation, either version 3 of the
+  ~ License.
+  ~
+  ~ ContentGrabbingJi is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~ GNU Affero General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU Affero General Public License
+  ~ along with this program.  If not, see <https://www.gnu.org/licenses/>.
+  -->
+
 <configuration status="WARN">
     <!--
         测试版跟发布版在日志配置文件上的区别仅仅只有'Loggers'的不同, 'properties'和'Appenders'是一致的.
diff --git a/ContentGrabbingJi-framework-api/pom.xml b/ContentGrabbingJi-framework-api/pom.xml
index 6975175..87fea0d 100644
--- a/ContentGrabbingJi-framework-api/pom.xml
+++ b/ContentGrabbingJi-framework-api/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2020  LamGC
+  ~ Copyright (C) 2021  LamGC
   ~
   ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU Affero General Public License as
   ~ published by the Free Software Foundation, either version 3 of the
-  ~ License, or (at your option) any later version.
+  ~ License.
   ~
   ~ ContentGrabbingJi is distributed in the hope that it will be useful,
   ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/Author.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/Author.java
index f0108d2..318f074 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/Author.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/Author.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/Framework.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/Framework.java
index 32504ab..7ec0aa3 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/Framework.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/Framework.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/FrameworkContext.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/FrameworkContext.java
index c645dba..1aab063 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/FrameworkContext.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/FrameworkContext.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/FrameworkDescriptor.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/FrameworkDescriptor.java
index 51557cf..48fb7d8 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/FrameworkDescriptor.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/FrameworkDescriptor.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/Platform.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/Platform.java
index 4ad006e..61db241 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/Platform.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/Platform.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/ResourceBundleFactory.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/ResourceBundleFactory.java
index 41e2717..e37a980 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/ResourceBundleFactory.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/ResourceBundleFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/AbstractBotCode.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/AbstractBotCode.java
index 176faae..1ee86c9 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/AbstractBotCode.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/AbstractBotCode.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/AbstractMessageEvent.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/AbstractMessageEvent.java
index ba42f71..2d51a18 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/AbstractMessageEvent.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/AbstractMessageEvent.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCode.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCode.java
index 47446fb..6f3ab17 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCode.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCode.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCodeConverter.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCodeConverter.java
index 7d41633..182d090 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCodeConverter.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCodeConverter.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCodeDescriptor.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCodeDescriptor.java
index b7b3323..1967f3e 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCodeDescriptor.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCodeDescriptor.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCodeFunction.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCodeFunction.java
index 990f4a3..664c85c 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCodeFunction.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/BotCodeFunction.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/CharSequenceMessage.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/CharSequenceMessage.java
index 94242c5..ba23b63 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/CharSequenceMessage.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/CharSequenceMessage.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/CustomBotCodeFunction.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/CustomBotCodeFunction.java
index 3b18307..fe8f4bd 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/CustomBotCodeFunction.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/CustomBotCodeFunction.java
@@ -1,3 +1,20 @@
+/*
+ * Copyright (C) 2021  LamGC
+ *
+ * ContentGrabbingJi is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License.
+ *
+ * ContentGrabbingJi is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package net.lamgc.cgj.bot.framework.message;
 
 /**
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/Message.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/Message.java
index 23737fc..7f6cf46 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/Message.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/Message.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageChain.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageChain.java
index 6869172..3574670 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageChain.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageChain.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSender.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSender.java
index a2d283c..9de964c 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSender.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSender.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSenderFactory.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSenderFactory.java
index 7b2e66e..12737c1 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSenderFactory.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSenderFactory.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSource.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSource.java
index 7b14323..d3ceeed 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSource.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/MessageSource.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/StandardBotCodeFunction.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/StandardBotCodeFunction.java
index f896b47..685080a 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/StandardBotCodeFunction.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/StandardBotCodeFunction.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/BuildBotCodeException.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/BuildBotCodeException.java
index 5ce7b65..6b551f3 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/BuildBotCodeException.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/BuildBotCodeException.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -24,8 +24,6 @@ import net.lamgc.cgj.bot.framework.message.BotCode;
  * 当出现某些原因导致无法继续构造 BotCode 时可抛出.
  * 需要说明原因.
  * @author LamGC
- * @see BotCode#fromBotCodeString(String)
- * @see BotCode#toBotCodeString()
  */
 public class BuildBotCodeException extends Exception {
 
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/InvalidBotCodeException.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/InvalidBotCodeException.java
index d1a3995..182bc4c 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/InvalidBotCodeException.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/InvalidBotCodeException.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/NoSuchSenderException.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/NoSuchSenderException.java
index aed99be..acd4e3f 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/NoSuchSenderException.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/NoSuchSenderException.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/UnsupportedBotCodeException.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/UnsupportedBotCodeException.java
index f2e6131..9dd02cc 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/UnsupportedBotCodeException.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/UnsupportedBotCodeException.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/UploadImageException.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/UploadImageException.java
index 3788d5b..67a1d04 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/UploadImageException.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/message/exception/UploadImageException.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/util/CollectionUtils.java b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/util/CollectionUtils.java
index d40cdf3..bf8814c 100644
--- a/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/util/CollectionUtils.java
+++ b/ContentGrabbingJi-framework-api/src/main/java/net/lamgc/cgj/bot/framework/util/CollectionUtils.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/AbstractBotCodeTest.java b/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/AbstractBotCodeTest.java
index 7740b84..964b450 100644
--- a/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/AbstractBotCodeTest.java
+++ b/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/AbstractBotCodeTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/CharSequenceMessageTest.java b/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/CharSequenceMessageTest.java
index 682bd67..18135cf 100644
--- a/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/CharSequenceMessageTest.java
+++ b/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/CharSequenceMessageTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/MessageChainTest.java b/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/MessageChainTest.java
index 80caf0a..98d0349 100644
--- a/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/MessageChainTest.java
+++ b/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/MessageChainTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/MessageTest.java b/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/MessageTest.java
index abf2901..7acd704 100644
--- a/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/MessageTest.java
+++ b/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/message/MessageTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/util/CollectionUtilsTest.java b/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/util/CollectionUtilsTest.java
index 8309ec5..ef116a8 100644
--- a/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/util/CollectionUtilsTest.java
+++ b/ContentGrabbingJi-framework-api/src/test/java/net/lamgc/cgj/bot/framework/util/CollectionUtilsTest.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-mirai/pom.xml b/ContentGrabbingJi-framework-mirai/pom.xml
index 60400a0..6339ee9 100644
--- a/ContentGrabbingJi-framework-mirai/pom.xml
+++ b/ContentGrabbingJi-framework-mirai/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2020  LamGC
+  ~ Copyright (C) 2021  LamGC
   ~
   ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU Affero General Public License as
   ~ published by the Free Software Foundation, either version 3 of the
-  ~ License, or (at your option) any later version.
+  ~ License.
   ~
   ~ ContentGrabbingJi is distributed in the hope that it will be useful,
   ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-framework-telegrambots/pom.xml b/ContentGrabbingJi-framework-telegrambots/pom.xml
index 1aa7cf4..c3e1f61 100644
--- a/ContentGrabbingJi-framework-telegrambots/pom.xml
+++ b/ContentGrabbingJi-framework-telegrambots/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2020  LamGC
+  ~ Copyright (C) 2021  LamGC
   ~
   ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU Affero General Public License as
   ~ published by the Free Software Foundation, either version 3 of the
-  ~ License, or (at your option) any later version.
+  ~ License.
   ~
   ~ ContentGrabbingJi is distributed in the hope that it will be useful,
   ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-pixiv/pom.xml b/ContentGrabbingJi-pixiv/pom.xml
index 2a04a74..8c02cd8 100644
--- a/ContentGrabbingJi-pixiv/pom.xml
+++ b/ContentGrabbingJi-pixiv/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2020  LamGC
+  ~ Copyright (C) 2021  LamGC
   ~
   ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU Affero General Public License as
   ~ published by the Free Software Foundation, either version 3 of the
-  ~ License, or (at your option) any later version.
+  ~ License.
   ~
   ~ ContentGrabbingJi is distributed in the hope that it will be useful,
   ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/BasicPixivSession.java b/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/BasicPixivSession.java
index 84f74a6..471a097 100644
--- a/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/BasicPixivSession.java
+++ b/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/BasicPixivSession.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/PixivLogin.java b/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/PixivLogin.java
index 023dd2c..fb7aa42 100644
--- a/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/PixivLogin.java
+++ b/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/PixivLogin.java
@@ -1,3 +1,20 @@
+/*
+ * Copyright (C) 2021  LamGC
+ *
+ * ContentGrabbingJi is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License.
+ *
+ * ContentGrabbingJi is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package net.lamgc.pixiv;
 
 /**
diff --git a/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/PixivLoginException.java b/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/PixivLoginException.java
index 9f462ab..5b12d8c 100644
--- a/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/PixivLoginException.java
+++ b/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/PixivLoginException.java
@@ -1,3 +1,20 @@
+/*
+ * Copyright (C) 2021  LamGC
+ *
+ * ContentGrabbingJi is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License.
+ *
+ * ContentGrabbingJi is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package net.lamgc.pixiv;
 
 /**
diff --git a/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/PixivSession.java b/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/PixivSession.java
index 525335c..12be286 100644
--- a/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/PixivSession.java
+++ b/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/PixivSession.java
@@ -1,3 +1,20 @@
+/*
+ * Copyright (C) 2021  LamGC
+ *
+ * ContentGrabbingJi is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License.
+ *
+ * ContentGrabbingJi is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package net.lamgc.pixiv;
 
 import org.apache.http.client.CookieStore;
diff --git a/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/login/ObjectInputStreamLogin.java b/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/login/ObjectInputStreamLogin.java
index 6312385..cbdaa3b 100644
--- a/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/login/ObjectInputStreamLogin.java
+++ b/ContentGrabbingJi-pixiv/src/main/java/net/lamgc/pixiv/login/ObjectInputStreamLogin.java
@@ -1,10 +1,10 @@
 /*
- * Copyright (C) 2020  LamGC
+ * Copyright (C) 2021  LamGC
  *
  * ContentGrabbingJi is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ * License.
  *
  * ContentGrabbingJi is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
diff --git a/pom.xml b/pom.xml
index 82ae537..df35cd0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  ~ Copyright (C) 2020  LamGC
+  ~ Copyright (C) 2021  LamGC
   ~
   ~ ContentGrabbingJi is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU Affero General Public License as
   ~ published by the Free Software Foundation, either version 3 of the
-  ~ License, or (at your option) any later version.
+  ~ License.
   ~
   ~ ContentGrabbingJi is distributed in the hope that it will be useful,
   ~ but WITHOUT ANY WARRANTY; without even the implied warranty of